From 35efcc9f398a1a2493b482dd1bd7c859f93ef450 Mon Sep 17 00:00:00 2001 From: marksard <38324387+marksard@users.noreply.github.com> Date: Tue, 4 Sep 2018 08:34:16 +0900 Subject: Keyboard: Improvement of crkbd communication functions (based on helix-keyboard) (#3798) * improvement of crkbd communication functions (based on helix-keyboard) * Removed unnecessary code. * Changed read restriction from #define to #pragma once. * Changed from sizeof to defined size. * moved lib folder to crkbdroot. removed warning of ws2812.d --- keyboards/crkbd/rev1/split_scomm.c | 73 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 keyboards/crkbd/rev1/split_scomm.c (limited to 'keyboards/crkbd/rev1/split_scomm.c') diff --git a/keyboards/crkbd/rev1/split_scomm.c b/keyboards/crkbd/rev1/split_scomm.c new file mode 100644 index 000000000..9719eb22e --- /dev/null +++ b/keyboards/crkbd/rev1/split_scomm.c @@ -0,0 +1,73 @@ +#ifdef USE_SERIAL +#ifdef SERIAL_USE_MULTI_TRANSACTION +/* --- USE flexible API (using multi-type transaction function) --- */ + +#include +#include +#include +#include +#include "serial.h" +#ifdef SERIAL_DEBUG_MODE +#include +#endif + +uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0}; +uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0}; +uint8_t volatile status_com = 0; +uint8_t volatile status1 = 0; +uint8_t slave_buffer_change_count = 0; +uint8_t s_change_old = 0xff; + +SSTD_t transactions[] = { +#define GET_SLAVE_STATUS 0 + /* master buffer not changed, only recive slave_buffer_change_count */ + { (uint8_t *)&status_com, + 0, NULL, + sizeof(slave_buffer_change_count), &slave_buffer_change_count, + }, +#define PUT_MASTER_GET_SLAVE_STATUS 1 + /* master buffer changed need send, and recive slave_buffer_change_count */ + { (uint8_t *)&status_com, + sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer, + sizeof(slave_buffer_change_count), &slave_buffer_change_count, + }, +#define GET_SLAVE_BUFFER 2 + /* recive serial_slave_buffer */ + { (uint8_t *)&status1, + 0, NULL, + sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer + } +}; + +void serial_master_init(void) +{ + soft_serial_initiator_init(transactions); +} + +void serial_slave_init(void) +{ + soft_serial_target_init(transactions); +} + +// 0 => no error +// 1 => slave did not respond +// 2 => checksum error +int serial_update_buffers(int master_update) +{ + int status; + static int need_retry = 0; + if( s_change_old != slave_buffer_change_count ) { + status = soft_serial_transaction(GET_SLAVE_BUFFER); + if( status == TRANSACTION_END ) + s_change_old = slave_buffer_change_count; + } + if( !master_update && !need_retry) + status = soft_serial_transaction(GET_SLAVE_STATUS); + else + status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS); + need_retry = ( status == TRANSACTION_END ) ? 0 : 1; + return status; +} + +#endif // SERIAL_USE_MULTI_TRANSACTION +#endif /* USE_SERIAL */ -- cgit v1.2.3-24-g4f1b